# Blackjack 21 - card games.io — Offline Blackjack Poker Game

> Realistic offline blackjack card game with casino rules and jackpot features. (iPhone/iPad app by Beijing ZJCYOU Technology Co., Ltd.)

- Source: https://appshunter.io/ios/app/blackjack-21-card-gamesio/id1530893161 (this page in markdown: same URL + `.md`)
- Developer: [Beijing ZJCYOU Technology Co., Ltd](https://appshunter.io/developer/1126239607)
- Category: Entertainment
- Price: Free
- Age rating: 17+
- Requires: iOS 9.0 · 63 MB
- Languages: English, French, German, Italian, Japanese, Korean, Portuguese, Russian, Chinese, Spanish and 1 more
- Released: 2020-09-11
- Data updated: 2026-06-24
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/blackjack-21-card-gamesio/id1530893161/reviews.md

## What is Blackjack 21?

Welcome to the world’s MOST beloved card game: BlackJack!
Fully respects and modeled on real casino rules and performance, cards are shuffled and dealt in exact casino way to ensure a 100% fair gameplay. You will have the most fun and entertaining Blackjack experience with Side Bet and Jackpot game in each room.
Tap your chips, cards and and the table as if you were at the casino
Easy and fun to play
High definition, retina graphics
BlackJack is intended for an adult audience for entertainment purposes only. Success at social casino gambling does not reward real money prizes, nor does it guarantee success at real money gambling.

## Key features

- Realistic casino rules
- Fair gameplay with shuffled cards
- Side bet options
- Jackpot game modes
- High-definition graphics
- Offline play

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/blackjack-21-card-gamesio/id1530893161/reviews.md

### 5/5 — I like this BlackJack game.   ‍

*2020-09-12, version 1.0*

‍​‌ BlackJack game screen is strong, great!​

### 5/5 — ‍BlackJack 21  ‌

*2020-09-12, version 1.0*

‍ No difficulty, the BlackJack game is very smooth.   ‌

## Frequently asked questions about Blackjack 21

### Does Blackjack 21 have ads?

No, Blackjack 21 is ad-free, allowing for an uninterrupted gaming experience.

### Is Blackjack 21 free to play?

Yes, Blackjack 21 is completely free to download and play.

### Can I play Blackjack 21 offline?

Yes, Blackjack 21 is designed for offline play, so you can enjoy it without an internet connection.

### What is the age rating for Blackjack 21?

Blackjack 21 is rated 17+ and is intended for adult audiences for entertainment purposes only.

### What devices support Blackjack 21?

Blackjack 21 is available on iPhone, iPad, and iPod devices.

### How often is Blackjack 21 updated?

The latest version is 1.3, and the app was last updated on September 30, 2020.

### Does Blackjack 21 offer real money prizes?

No, success in Blackjack 21 does not reward real money prizes and does not guarantee success in real money gambling.

### What makes Blackjack 21's gameplay fair?

The game is modeled on real casino rules, with cards shuffled and dealt in an exact casino way to ensure 100% fair gameplay.

## Version history (last 4 releases)

### 1.3 — 2020-09-30

Adjust novice AI difficulty

### 1.2 — 2020-09-29

Adjust novice AI difficulty  
Optimize interface animation

### 1.1 — 2020-09-17

Update the content
1. Optimize the betting logic more
2. Add the withdrawal function of the betting area
3. Add the chip drag function
4. New PAD fit

### 1.0 — 2020-09-11

No release notes.

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## More apps by Beijing ZJCYOU Technology Co., Ltd

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- [Spades - offline card games.](https://appshunter.io/ios/app/spades-offline-card-games/id1556166091)
- [Blackjack 21 Classic Card Game](https://appshunter.io/ios/app/blackjack-21-classic-card-game/id1599427410)

All apps by Beijing ZJCYOU Technology Co., Ltd: https://appshunter.io/developer/1126239607

## Related topics

[blackjack trainer 21](https://appshunter.io/ios/topics/blackjack-trainer-21)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-24.*